lkml.org 
[lkml]   [2014]   [Jan]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
SubjectRE: [PATCH net-next v2 06/20] net: igbvf: slight optimization of addr compare
Date
> From: netdev-owner@vger.kernel.org [mailto:netdev-owner@vger.kernel.org]
> On Behalf Of Ding Tianhong
> Sent: Friday, December 27, 2013 10:17 PM
> To: Kirsher, Jeffrey T; Brandeburg, Jesse; Wyborny, Carolyn; Skidmore,
> Donald C; David S. Miller; Netdev; linux-kernel@vger.kernel.org
> Subject: [PATCH net-next v2 06/20] net: igbvf: slight optimization of addr
> compare
>
> Use possibly more efficient ether_addr_equal to instead of memcmp.
>
> Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
> Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
> Cc: Carolyn Wyborny <carolyn.wyborny@intel.com>
> Cc: Don Skidmore <donald.c.skidmore@intel.com>
> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>

Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Tested by: Aaron Brown <aaron.f.brown@intel.com>

> ---
> drivers/net/ethernet/intel/igbvf/netdev.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c
> b/drivers/net/ethernet/intel/igbvf/netdev.c
> index 04bf22e..675435f 100644
> --- a/drivers/net/ethernet/intel/igbvf/netdev.c
> +++ b/drivers/net/ethernet/intel/igbvf/netdev.c
> @@ -1745,7 +1745,7 @@ static int igbvf_set_mac(struct net_device *netdev,
> void *p)
>
> hw->mac.ops.rar_set(hw, hw->mac.addr, 0);
>
> - if (memcmp(addr->sa_data, hw->mac.addr, 6))
> + if (!ether_addr_equal(addr->sa_data, hw->mac.addr))
> return -EADDRNOTAVAIL;
>
> memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
> --
> 1.8.0
>
>
> --
> To unsubscribe from this list: send the line "unsubscribe netdev" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
\
 
 \ /
  Last update: 2014-01-11 04:41    [W:0.036 / U:0.844 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site